Erlang notes[2]

standard modules

1. as similar as other popular programming language,Erlang also has itself standard modules to help programmer finish regular works.
2. the io module can be able to serve programmer to write some formatted input/output.if you has any question,the h(module name) command will be your relaible assistant.
3. the format function take two lists as parameters,the first one is the formatted string,and the second one will be fill in these format symbols which are inside the firt list such as ~w ~w.for example:

io:format("it is so cool~n", []).
io:format("nice to ~w ~w~n", [meet , you]).

references

1. https://www.erlang.org/doc/